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发明名称
COMPLETE WATERRPROOFING CONSTRUCTION METHOD BY APPLICATION OF HEAT INSULATING AND HEAT RETAINING MATERIAL TO PIPE JOINTS
摘要
申请公布号
JPS53122970(A)
申请公布日期
1978.10.26
申请号
JP19770037915
申请日期
1977.04.02
申请人
HIRANO TOSHIYOSHI
发明人
HIRANO TOSHIYOSHI
分类号
F16L21/00;F16L59/12;F16L59/14;F16L59/16;F16L59/20
主分类号
F16L21/00
代理机构
代理人
主权项
地址
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